Features of Markel 4PD2516203 Packaged Insert Duct Heater

The Markel PD Series Insert Duct Heaters are a standard packaged duct heating system.

• Galvanized Steel Compartment with 1/2 Inch fiberglass Insulation and Hinged Cover.
• Door Interlock Disconnect Switch.
• Primary Automatic Reset Temp Limiting Control.
• Load Carrying Secondary over Temperature Protective Device(s).
• Definite Purpose Magnetic Contactor(s).
• Differential Pressure Fan Interlock Switch.
• Step Down Control Transformer 24VAC.
• Permanently Attached Wiring Diagram on inside of Terminal Compartment Cover.

Additional Information

The galvanized steel element rack is designed to be 1 Inch shorter than duct height and 1/2 Inch shorter than duct width to allow insertion clearance.